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BS EN ISO 4938:2016
Steel and iron. Determination of nickel content. Gravimetric or titrimetric method (British Standard)
ISO 4938:2016 specifies a method for the determination of nickel in steel and iron by gravimetry or titrimetry.
The method is applicable to nickel contents from 1 % to 30 % (mass fraction).
British Standards Institution [bsi]